Hi, I'm Amat.

This blog is about CTFs and Vulnerability Research.

I had promised my friends from doar-e that I would give them a guest post. This was 6 months ago. Although it took me a while, I finally found the time to do it. The post talks about how we can use the ARM Exception Vector Table in a kernel exploit. Check it out here.…

This writeup was originally posted on my github Description Not sure exactly what the module does, but it's a misc device that does things with structs, arrays, linked lists and stuff. The vulnerability We have the following relevant code excerpts: #define MAX_CONSUMERS 255 struct csaw_buf { unsigned long consumers[MAX_CONSUMERS]; // [1]…